CN203163476U - Rotary cement kiln device - Google Patents
Rotary cement kiln device Download PDFInfo
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- CN203163476U CN203163476U CN 201320069981 CN201320069981U CN203163476U CN 203163476 U CN203163476 U CN 203163476U CN 201320069981 CN201320069981 CN 201320069981 CN 201320069981 U CN201320069981 U CN 201320069981U CN 203163476 U CN203163476 U CN 203163476U
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- liquid
- oxygen
- gas
- rotary kiln
- agitation tank
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Abstract
The utility model discloses a rotary cement kiln device which comprises a rotary kiln, a burner and an oxygen-enriched gas atomization and liquid catalyst energy-saving device. The rotary kiln is provided with a feed inlet, the oxygen-enriched gas atomization and liquid catalyst energy-saving device comprises liquid catalyst blending equipment, membrane-method oxygen-enriched air generating equipment and a gas and liquid atomization spray gun, both the liquid catalyst blending equipment and the membrane-method oxygen-enriched air generating equipment are connected with the gas and liquid atomization spray gun, the liquid catalyst blending equipment outputs blended liquid catalysts with certain concentration, the membrane-method oxygen-enriched air generating equipment outputs oxygen-enriched air, the liquid catalysts and the oxygen-enriched air are gathered in the gas and liquid atomization spray gun to be atomized, and atomized catalysts are sprayed into the feed inlet by the gas and liquid atomization spray gun. The rotary cement kiln device has the advantages that the liquid fuel coal catalysts and pulverized coal are mixed in the same direction and are sprayed into the rotary kiln after the liquid fuel coal catalysts and the oxygen-enriched air are atomized, so that the pulverized coal is subjected to flame catalytic combustion, and purposes of saving energy and increasing yield are achieved.
Description
Technical field
The application is about a kind of cement rotary kiln device.
Background technology
In cement industry, according to production capacity main flow branch 1000 tons, 2500 tons, 5000 tons and 10000 tons in daily output grog is arranged, the rotary kiln of different output scale, the unit interval coal consumption is not quite similar, thereby catalyst is gone into stove position, use amount and spray gun quantity and structure also with different.
The utility model content
The utility model provides a kind of energy-conservation cement rotary kiln device.
The utility model provides a kind of cement rotary kiln device, comprise the rotary kiln with charging aperture and the burner that is used for coal dust is sprayed into described charging aperture, also comprise oxygen rich gas spraying liquid catalyst energy saver, described oxygen rich gas spraying liquid catalyst energy saver comprises the liquid catalyst blending equipment, the film oxygen enriching air generates equipment and gas-liquid atomizing lance, described liquid catalyst blending equipment generates equipment with the film oxygen enriching air and all is connected with described gas-liquid atomizing lance, the modulated liquid catalyst for preparing concentration of described liquid catalyst blending equipment output, described film oxygen enriching air generation equipment output oxygen-enriched air, described liquid catalyst and oxygen-enriched air are pooled to described gas-liquid atomizing lance inside and atomize, and the catalyst after the atomizing sprays into described charging aperture by described gas-liquid atomizing lance.
Described liquid catalyst blending equipment comprises the liquid catalyst mother liquor tank with the first liquid level controller, the Agitation Tank of band stirring and the second liquid level controller, suction pumps, filler pipe road and be made into liquid pipeline, described liquid catalyst mother liquor tank connects the inlet of described Agitation Tank by described suction pumps, described filler pipe road connects the inlet of described Agitation Tank, the liquid outlet of described Agitation Tank connects the described liquid pipeline that is made into, the described liquid pipeline that is made into connects described gas-liquid atomizing lance, the described liquid pipeline that is made into is provided with for the high pressure pump that aspirates described dosing pot liquid, described suction pumps, Agitation Tank and high pressure pump all are connected with the main control unit signal.
Described liquid catalyst blending equipment comprises that also band stirs and another Agitation Tank of another second liquid level controller, described catalyst mother liquor tank connects described another Agitation Tank by described suction pumps, described filler pipe road connects the inlet of described another Agitation Tank, the liquid outlet of described another Agitation Tank connects the described liquid pipeline that is made into, the described liquid pipeline that is made into is provided with for another high pressure pump that aspirates described another dosing pot liquid, and described another Agitation Tank and another high pressure pump all are connected with described main control unit signal.
The described liquid pipeline that is made into is provided with pressure sensor and flow sensor.
The cellar for storing things head of described rotary kiln, cellar for storing things tail are equipped with charging aperture, and the equal correspondence of each described charging aperture is provided with described burner and gas-liquid atomizing lance.
Described film oxygen enriching air generation equipment comprises mechanical reciprocating vacuum pump, oxygen-enriched generator and high pressure positive blower, described oxygen-enriched generator is connected between the gas outlet of the air inlet of described mechanical reciprocating vacuum pump and described high pressure positive blower, and the gas outlet of described mechanical reciprocating vacuum pump connects described gas-liquid atomizing lance.
Described oxygen-enriched generator comprises a plurality of rolling oxygen permeable membrane elements of combination in parallel.
The parameter of oxygen permeable membrane element can design as requested, as is of a size of ф 200 х 1000, membrane component Combination Design in parallel; The workflow of membrane component adopts negative-pressure operation, and the vavuum pump air inlet links to each other with the oxygen-enriched generator air inlet, operating pressure-0.05～-0.09Mpa; Vavuum pump is that machinery is reciprocating type, outlet pressure 0.05～0.25Mpa; Oxygen-enriched generator work wind is supplied with by high pressure positive blower, and blast is at 3000～5000Pa, and work wind is removed air dust, filtering accuracy 100 μ through the cotton filtration of boxboard formula porous; This oxygen-enriched air equipment can be designed to produce oxygen concentration 25～35%, gas production 50～1200m
3/ h.
Described oxygen-enriched air generates equipment and also comprises air cleaner, and described high pressure positive blower is located at box house, and described air cleaner is located at the facade of described casing.
Have and stir and 2 of the Agitation Tank quantity of liquid level controller, can work of a dosing, thus realize continuous liquid material course of conveying; Fluid infusion pumps can adopt corrosion resistant centrifugal multistage pump multiple centrifugal pump; Liquid material carries Yang Chengke to reach 160m～200m.
Catalyst mother liquor tank and filler pipe road can be connected the same inlet of Agitation Tank, also can be connected different inlets.The filler pipe road, be made into liquid pipeline and can be formed by one or more snippets pipeline, each section pipeline can adopt parallel connection, series connection or and the mode of tandem compound connect.
The beneficial effects of the utility model are: this device is coal-fired liquid catalyst is mixed along with coal dust in the same way by oxygen-enriched air atomizing back and to spray in the rotary kiln, realizes the pulverized coal flame catalytic combustion, reaches purpose energy-conservation, volume increase.
Description of drawings
Fig. 1 is the structural representation of present embodiment;
The specific embodiment
By reference to the accompanying drawings the utility model is described in further detail below by the specific embodiment.
A kind of oxygen rich gas spraying liquid catalyst energy saver, it is used for coal-fired powder cement rotary kiln, comprises that the film oxygen enriching air generates equipment, liquid catalyst blending equipment and gas-liquid atomizing lance.The function of this energy saver is that coal-fired liquid catalyst is sprayed in the rotary kiln along with coal dust mixes in the same way from kiln hood, kiln tail by oxygen-enriched air atomizing back, realizes the pulverized coal flame catalytic combustion, reaches purpose energy-conservation, volume increase.
As shown in Figure 1, the liquid catalyst blending equipment comprises the catalyst mother liquor tank 10 with the first liquid level controller 11, suction pumps 17, running water filter 4,7, band stirs 24,30 and the second liquid level controller 25,31 Agitation Tank A, B, be made into liquid filter 44,49, high pressure pump 54,59, pressure sensor 2,9,14,16,41,52,64,82,83, flow sensor 70,73, magnetic valve 19,22,37,39,43,48,46,51,56,61,63,66,67,71,74, hand-operated valve 1,3,5,6,8,18,20,21,23,29,35,36,38,42,47,45,50,53,58,55,60,65,81,84.The catalyst mother liquor is sent into Agitation Tank A by suction pumps 17, measure needed volume by the second liquid level controller after, magnetic valve 19 is opened and is added water to volume requiredly automatically, switches to Agitation Tank B afterwards and adds catalyst mother liquor and Jia Shui; After Agitation Tank A added the catalyst mother liquor and adds water arrival desired location, liquid level signal indication high pressure pump 54 started.The workflow that system is finished automatic liquid matching, carried continuously by PLC.
For the liquid catalyst blending equipment, running water is by the inlet of filler pipe road 93 connection Agitation Tank A, B, and liquid catalyst mother liquor tank 10 connects the inlet of Agitation Tank A, B by suction pumps 17; The liquid outlet connection of Agitation Tank A, B is made into liquid pipeline 94, is made into liquid pipeline 94 and is connected with the gas-liquid atomizing lance.Be made into liquid pipeline and be provided with pressure sensor 82,83 and flow sensor 70,73.
As shown in Figure 1, film oxygen enriching air generation equipment comprises mechanical reciprocating vacuum pump 80, box film oxygen enriching generator 78, high pressure positive blower 76 and pressure sensor 77,82,83, vacuum transducer 79.Air cleaner 75 is taked box Combination Design with high pressure positive blower 76.There are some spiral wound oxygen permeable membrane elements, vacuum pipe in parallel in box film oxygen enriching generator 78 inside, and lower box is the high-pressure blast bellows.Air after will being filtered by high pressure positive blower is sent into the air duct of membrane module, under the vavuum pump suction function, oxygen-enriched air enters vacuum pump inlet through the collection of membrane module central tube and by vacuum pipe, oxygen-enriched air is discharged by the vavuum pump gas outlet with the malleation form, and air more than needed enters atmosphere from the membrane module other end; The oxygen nitrogen separation of oxygen permeable membrane element is 2 ,-0.06～-0.08Mpa under, oxygen-rich concentration can reach 28-32%.The major technique characteristics that this oxygen-enriched air generates equipment are to adopt mechanical reciprocating vacuum pump to provide operating pressure for oxygen-enriched generator,
Remove from moisture trap, oxygen-enriched air dehumidification, preheating and the water ring vacuum pump that must join with water ring vacuum pump in a large amount of consumption of water and the pump chamber because the temperature rise of water and fouling.After adopting mechanical reciprocating vacuum pump, its technological process of film oxygenerator becomes simply, and the device context installation is compared with water ring vacuum pump with operation easier and diminished, and the trouble point tails off.
Oxygen-enriched air by mechanical reciprocating vacuum pump discharge, adjustable in pressure is put in order scope 0.05～0.25Mpa, liquid catalyst discharge pressure scope 0.1～0.3Mpa. oxygen-enriched air and liquid catalyst pass through pipeline separately, come together in the same pressure space in the gas-liquid atomizing lance, this space is by having the filling of certain pressure oxygen rich gas, and in the shared outlet of spray gun center line port gas-liquid, make the atomization of liquid by the high flow rate oxygen rich gas; The reasonable coupling of oxygen rich gas pressure and flow and fluid pressure and flow has determined that final atomizing effect or state are granular size and the jet length that liquid is atomized.Gas-liquid atomizing lance and coal burner be mounting arrangements in the same way, its quantity and coal burner quantity 1 to 1 or 2 to 1 couplings.
This rotary kiln device organic assembling the advantage separately of chemical catalysis burning of oxygen-enriched combusting and coal, the equipmentization of making it and operation automation, combustion characteristics and actual condition according to rotary kiln, can follow the tracks of the furnace flame variation of temperature immediately, manually or automatically adjust the present technique process system, the efficiency of combustion of coal dust in kiln is improved and optimizes.
Above content be in conjunction with concrete embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace.
Claims (8)
1. cement rotary kiln device, comprise the rotary kiln with charging aperture and the burner that is used for coal dust is sprayed into described charging aperture, it is characterized in that, also comprise oxygen rich gas spraying liquid catalyst energy saver, described oxygen rich gas spraying liquid catalyst energy saver comprises the liquid catalyst blending equipment, the film oxygen enriching air generates equipment and gas-liquid atomizing lance, described liquid catalyst blending equipment generates equipment with the film oxygen enriching air and all is connected with described gas-liquid atomizing lance, the modulated liquid catalyst for preparing concentration of described liquid catalyst blending equipment output, described film oxygen enriching air generation equipment output oxygen-enriched air, described liquid catalyst and oxygen-enriched air are pooled to described gas-liquid atomizing lance inside and atomize, and the catalyst after the atomizing sprays into described charging aperture by described gas-liquid atomizing lance.
2. cement rotary kiln device as claimed in claim 1, it is characterized in that, described liquid catalyst blending equipment comprises the liquid catalyst mother liquor tank with the first liquid level controller, the Agitation Tank of band stirring and the second liquid level controller, suction pumps, filler pipe road and be made into liquid pipeline, described liquid catalyst mother liquor tank connects the inlet of described Agitation Tank by described suction pumps, described filler pipe road connects the inlet of described Agitation Tank, the liquid outlet of described Agitation Tank connects the described liquid pipeline that is made into, the described liquid pipeline that is made into connects described gas-liquid atomizing lance, the described liquid pipeline that is made into is provided with for the high pressure pump that aspirates described dosing pot liquid, described suction pumps, Agitation Tank and high pressure pump all are connected with the main control unit signal.
3. cement rotary kiln device as claimed in claim 2, it is characterized in that, described liquid catalyst blending equipment comprises that also band stirs and another Agitation Tank of another second liquid level controller, described catalyst mother liquor tank connects described another Agitation Tank by described suction pumps, described filler pipe road connects the inlet of described another Agitation Tank, the liquid outlet of described another Agitation Tank connects the described liquid pipeline that is made into, the described liquid pipeline that is made into is provided with for another high pressure pump that aspirates described another dosing pot liquid, and described another Agitation Tank and another high pressure pump all are connected with described main control unit signal.
4. cement rotary kiln device as claimed in claim 3 is characterized in that, the described liquid pipeline that is made into is provided with pressure sensor and flow sensor.
5. cement rotary kiln device as claimed in claim 1 is characterized in that, the cellar for storing things head of described rotary kiln, cellar for storing things tail are equipped with charging aperture, and the equal correspondence of each described charging aperture is provided with described burner and gas-liquid atomizing lance.
6. as any described cement rotary kiln device among the claim 1-5, it is characterized in that, described film oxygen enriching air generation equipment comprises mechanical reciprocating vacuum pump, oxygen-enriched generator and high pressure positive blower, described oxygen-enriched generator is connected between the gas outlet of the air inlet of described mechanical reciprocating vacuum pump and described high pressure positive blower, and the gas outlet of described mechanical reciprocating vacuum pump connects described gas-liquid atomizing lance.
7. cement rotary kiln device as claimed in claim 6 is characterized in that, described oxygen-enriched generator comprises a plurality of rolling oxygen permeable membrane elements of combination in parallel.
8. cement rotary kiln device as claimed in claim 7 is characterized in that, described oxygen-enriched air generates equipment and also comprises air cleaner, and described high pressure positive blower is located at box house, and described air cleaner is located at the facade of described casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069981 CN203163476U (en) | 2013-02-06 | 2013-02-06 | Rotary cement kiln device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069981 CN203163476U (en) | 2013-02-06 | 2013-02-06 | Rotary cement kiln device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163476U true CN203163476U (en) | 2013-08-28 |
Family
ID=49024655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320069981 Expired - Fee Related CN203163476U (en) | 2013-02-06 | 2013-02-06 | Rotary cement kiln device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203163476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438699A (en) * | 2013-09-07 | 2013-12-11 | 魏伯卿 | Oxygen-enriched-catalyzing, energy-saving and emission-reducing system for decomposition furnace of rotary kiln |
-
2013
- 2013-02-06 CN CN 201320069981 patent/CN203163476U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438699A (en) * | 2013-09-07 | 2013-12-11 | 魏伯卿 | Oxygen-enriched-catalyzing, energy-saving and emission-reducing system for decomposition furnace of rotary kiln |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150206 |
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| EXPY | Termination of patent right or utility model |